Grumpy Old Geeks Topics Adulting classes Topic Adulting classes 3 mentions in 1 episode The hosts discuss classes intended to teach millennials practical skills and disagree about their value. Mentions 295: Vitamin Melanoma Nov 5, 2018 1:07:34 I took adulting classes for millennials. 1:08:06 The fact that they are being proactive with adulting classes, I actually think is a good step. 1:11:13 Good for them for at least trying.